Evidence for Isotope <SUP>265</SUP>Bh(Z=107)

GAN Zai-guo; GUO Jun-sheng; WU Xiao-lei; FAN Hong-mei; QIN Zhi; LEI Xiang-guo; DONG Cheng-fu; XU Hua-geng; CHEN Ruo-fu; ZHANG Fu-ming; GUO Bin; LIU Hong-ye; WANG Hua-lei; XIE Cheng-ying; FENG Zhao-qing; ZHEN Yong; SONG Li-tao; LUO Peng; XU Hu-shan; ZHUO Xiao-hong; JIN Gen-min; REN Zhong-zhou

doi:10.11804/NuclPhysRev.22.01.036

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Article Navigation > Nuclear Physics Review > 2005 > 22(1): 36-38

GAN Zai-guo, GUO Jun-sheng, WU Xiao-lei, FAN Hong-mei, QIN Zhi, LEI Xiang-guo, DONG Cheng-fu, XU Hua-geng, CHEN Ruo-fu, ZHANG Fu-ming, GUO Bin, LIU Hong-ye, WANG Hua-lei, XIE Cheng-ying, FENG Zhao-qing, ZHEN Yong, SONG Li-tao, LUO Peng, XU Hu-shan, ZHUO Xiao-hong, JIN Gen-min, REN Zhong-zhou. Evidence for Isotope 265Bh(Z=107)[J]. Nuclear Physics Review, 2005, 22(1): 36-38. doi: 10.11804/NuclPhysRev.22.01.036

Citation:

GAN Zai-guo, GUO Jun-sheng, WU Xiao-lei, FAN Hong-mei, QIN Zhi, LEI Xiang-guo, DONG Cheng-fu, XU Hua-geng, CHEN Ruo-fu, ZHANG Fu-ming, GUO Bin, LIU Hong-ye, WANG Hua-lei, XIE Cheng-ying, FENG Zhao-qing, ZHEN Yong, SONG Li-tao, LUO Peng, XU Hu-shan, ZHUO Xiao-hong, JIN Gen-min, REN Zhong-zhou. Evidence for Isotope ²⁶⁵Bh(Z=107)[J]. Nuclear Physics Review, 2005, 22(1): 36-38. doi: 10.11804/NuclPhysRev.22.01.036

Evidence for Isotope ²⁶⁵Bh(Z=107)

doi: 10.11804/NuclPhysRev.22.01.036

1 Institute of Modern Physics; Chinese Academy of Sciences; Lanzhou 730000; China2 Department of Physics; Nanjing University; Nanjing 210008; China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2005-03-20

Abstract

New isotope ~(265)Bh(Z=107) was produced in bombardment of an ~(243)Am target with 135 MeV ~(26)Mg ions at HIRFL. Identification was made by observation of correlated α-particle decays between the new isotope ~(265)Bh and its ~(261)Db and ~(257)Lr daughters with four pairs of detectors. The experimental results show that the half-life of ~(265)Bh is 0.94~(+0.70)_(-0.31) s and its α energy is (9.24±0.05) MeV.
- new isotope,
- α-α correlation,
- parent-daughter mode,
- decay property
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Evidence for Isotope ²⁶⁵Bh(Z=107)

doi: 10.11804/NuclPhysRev.22.01.036

1 Institute of Modern Physics; Chinese Academy of Sciences; Lanzhou 730000; China2 Department of Physics; Nanjing University; Nanjing 210008; China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2005-03-20

Key words:

Abstract: New isotope ~(265)Bh(Z=107) was produced in bombardment of an ~(243)Am target with 135 MeV ~(26)Mg ions at HIRFL. Identification was made by observation of correlated α-particle decays between the new isotope ~(265)Bh and its ~(261)Db and ~(257)Lr daughters with four pairs of detectors. The experimental results show that the half-life of ~(265)Bh is 0.94~(+0.70)_(-0.31) s and its α energy is (9.24±0.05) MeV.

Citation:

GAN Zai-guo, GUO Jun-sheng, WU Xiao-lei, FAN Hong-mei, QIN Zhi, LEI Xiang-guo, DONG Cheng-fu, XU Hua-geng, CHEN Ruo-fu, ZHANG Fu-ming, GUO Bin, LIU Hong-ye, WANG Hua-lei, XIE Cheng-ying, FENG Zhao-qing, ZHEN Yong, SONG Li-tao, LUO Peng, XU Hu-shan, ZHUO Xiao-hong, JIN Gen-min, REN Zhong-zhou. Evidence for Isotope ²⁶⁵Bh(Z=107)[J]. Nuclear Physics Review, 2005, 22(1): 36-38. doi: 10.11804/NuclPhysRev.22.01.036